(function($){

  /* hoverIntent by Brian Cherne */
  $.fn.hoverIntent = function(f,g) {
    // default configuration options
    var cfg = {
      sensitivity: 7,
      interval: 100,
      timeout: 0
    };
    // override configuration options with user supplied object
    cfg = $.extend(cfg, g ? { over: f, out: g } : f );

    // instantiate variables
    // cX, cY = current X and Y position of mouse, updated by mousemove event
    // pX, pY = previous X and Y position of mouse, set by mouseover and polling interval
    var cX, cY, pX, pY;

    // A private function for getting mouse position
    var track = function(ev) {
      cX = ev.pageX;
      cY = ev.pageY;
    };

    // A private function for comparing current and previous mouse position
    var compare = function(ev,ob) {
      ob.hoverIntent_t = clearTimeout(ob.hoverIntent_t);
      // compare mouse positions to see if they've crossed the threshold
      if ( ( Math.abs(pX-cX) + Math.abs(pY-cY) ) < cfg.sensitivity ) {
        $(ob).unbind("mousemove",track);
        // set hoverIntent state to true (so mouseOut can be called)
        ob.hoverIntent_s = 1;
        return cfg.over.apply(ob,[ev]);
      } else {
        // set previous coordinates for next time
        pX = cX; pY = cY;
        // use self-calling timeout, guarantees intervals are spaced out properly (avoids JavaScript timer bugs)
        ob.hoverIntent_t = setTimeout( function(){compare(ev, ob);} , cfg.interval );
      }
    };

    // A private function for delaying the mouseOut function
    var delay = function(ev,ob) {
      ob.hoverIntent_t = clearTimeout(ob.hoverIntent_t);
      ob.hoverIntent_s = 0;
      return cfg.out.apply(ob,[ev]);
    };

    // A private function for handling mouse 'hovering'
    var handleHover = function(e) {
      // next three lines copied from jQuery.hover, ignore children onMouseOver/onMouseOut
      var p = (e.type == "mouseover" ? e.fromElement : e.toElement) || e.relatedTarget;
      while ( p && p != this ) { try { p = p.parentNode; } catch(e) { p = this; } }
      if ( p == this ) { return false; }

      // copy objects to be passed into t (required for event object to be passed in IE)
      var ev = jQuery.extend({},e);
      var ob = this;

      // cancel hoverIntent timer if it exists
      if (ob.hoverIntent_t) { ob.hoverIntent_t = clearTimeout(ob.hoverIntent_t); }

      // else e.type == "onmouseover"
      if (e.type == "mouseover") {
        // set "previous" X and Y position based on initial entry point
        pX = ev.pageX; pY = ev.pageY;
        // update "current" X and Y position based on mousemove
        $(ob).bind("mousemove",track);
        // start polling interval (self-calling timeout) to compare mouse coordinates over time
        if (ob.hoverIntent_s != 1) { ob.hoverIntent_t = setTimeout( function(){compare(ev,ob);} , cfg.interval );}

      // else e.type == "onmouseout"
      } else {
        // unbind expensive mousemove event
        $(ob).unbind("mousemove",track);
        // if hoverIntent state is true, then call the mouseOut function after the specified delay
        if (ob.hoverIntent_s == 1) { ob.hoverIntent_t = setTimeout( function(){delay(ev,ob);} , cfg.timeout );}
      }
    };

    // bind the function to the two event listeners
    return this.mouseover(handleHover).mouseout(handleHover);
  };
  
})(jQuery);

/*
 * Superfish v1.4.1 - jQuery menu widget
 * Copyright (c) 2007 Joel Birch
 *
 * Dual licensed under the MIT and GPL licenses:
 *   http://www.opensource.org/licenses/mit-license.php
 *   http://www.gnu.org/licenses/gpl.html
 *
 * CHANGELOG: http://users.tpg.com.au/j_birch/plugins/superfish/changelog.txt
 */

(function($){
  $.superfish = {};
  $.superfish.o = [];
  $.superfish.op = {};
  $.superfish.defaults = {
    hoverClass  : 'sfHover',
    pathClass  : 'overideThisToUse',
    delay    : 800,
    animation  : {opacity:'show'},
    speed    : 'normal',
    oldJquery  : false, /* set to true if using jQuery version below 1.2 */
    disableHI  : false, /* set to true to disable hoverIntent usage */
    // callback functions:
    onInit    : function(){},
    onBeforeShow: function(){},
    onShow    : function(){}, /* note this name changed ('onshow' to 'onShow') from version 1.4 onward */
    onHide    : function(){}
  };
  $.fn.superfish = function(op){
    var bcClass = 'sfbreadcrumb',
      over = function(){
        var $$ = $(this), menu = getMenu($$);
        getOpts(menu,true);
        clearTimeout(menu.sfTimer);
        $$.showSuperfishUl().siblings().hideSuperfishUl();
      },
      out = function(){
        var $$ = $(this), menu = getMenu($$);
        var o = getOpts(menu,true);
        clearTimeout(menu.sfTimer);
        if ( !$$.is('.'+bcClass) ) {
          menu.sfTimer=setTimeout(function(){
            $$.hideSuperfishUl();
            if (o.$path.length){over.call(o.$path);}
          },o.delay);
        }    
      },
      getMenu = function($el){ return $el.parents('ul.superfish:first')[0]; },
      getOpts = function(el,menuFound){ el = menuFound ? el : getMenu(el); return $.superfish.op = $.superfish.o[el.serial]; },
      hasUl = function(){ return $.superfish.op.oldJquery ? 'li[ul]' : 'li:has(ul)'; };

    return this.each(function() {
      var s = this.serial = $.superfish.o.length;
      var o = $.extend({},$.superfish.defaults,op);
      o.$path = $('li.'+o.pathClass,this).each(function(){
        $(this).addClass(o.hoverClass+' '+bcClass)
          .filter(hasUl()).removeClass(o.pathClass);
      });
      $.superfish.o[s] = $.superfish.op = o;
      
      $(hasUl(),this)[($.fn.hoverIntent && !o.disableHI) ? 'hoverIntent' : 'hover'](over,out)
      .not('.'+bcClass)
        .hideSuperfishUl();
      
      var $a = $('a',this);
      $a.each(function(i){
        var $li = $a.eq(i).parents('li');
        $a.eq(i).focus(function(){over.call($li);}).blur(function(){out.call($li);});
      });
      
      o.onInit.call(this);
      
    }).addClass('superfish');
  };
  
  $.fn.extend({
    hideSuperfishUl : function(){
      var o = $.superfish.op,
        $ul = $('li.'+o.hoverClass,this).add(this).removeClass(o.hoverClass)
          .find('>ul').hide().css('visibility','hidden');
      o.onHide.call($ul);
      return this;
    },
    showSuperfishUl : function(){
      var o = $.superfish.op,
        $ul = this.addClass(o.hoverClass)
          .find('>ul:hidden').css('visibility','visible');
      o.onBeforeShow.call($ul);
      $ul.animate(o.animation,o.speed,function(){ o.onShow.call(this); });
      return this;
    }
  });
  
  $(window).unload(function(){
    $('ul.superfish').each(function(){
      $('li',this).unbind('mouseover','mouseout','mouseenter','mouseleave');
    });
  });
})(jQuery);


/*
 * Supposition v0.2 - an optional enhancer for Superfish jQuery menu widget
 *
 * Copyright (c) 2008 Joel Birch - based mostly on work by Jesse Klaasse and credit goes largely to him.
 * Special thanks to Karl Swedberg for valuable input.
 *
 * Dual licensed under the MIT and GPL licenses:
 *   http://www.opensource.org/licenses/mit-license.php
 *   http://www.gnu.org/licenses/gpl.html
 */

(function($){

  $.fn.supposition = function(){
    var $w = $(window), /*do this once instead of every onBeforeShow call*/
      _offset = function(dir) {
        return window[dir == 'y' ? 'pageYOffset' : 'pageXOffset']
        || document.documentElement && document.documentElement[dir=='y' ? 'scrollTop' : 'scrollLeft']
          || document.body[dir=='y' ? 'scrollTop' : 'scrollLeft'];
      },
      onInit = function(){
        /* I haven't touched this bit - needs work as there are still z-index issues */
        $topNav = $('li',this);
        var cZ=parseInt($topNav.css('z-index')) + $topNav.length;
        $topNav.each(function() {
          $(this).css({zIndex:--cZ});
        });
      },
      onHide = function(){
        this.css({marginTop:'',marginLeft:''});
      },
      onBeforeShow = function(){
        this.each(function(){
          var $u = $(this);
          $u.css('display','block');
          var menuWidth = $u.width(),
            parentWidth = $u.parents('ul').width(),
            totalRight = $w.width() + _offset('x'),
            menuRight = $u.offset().left + menuWidth;
          if (menuRight > totalRight) {
            $u.css('margin-left', ($u.parents('ul').length == 1 ? totalRight - menuRight : -(menuWidth + parentWidth)) + 'px');
          }

          var windowHeight = $w.height(),
            offsetTop = $u.offset().top,
            menuHeight = $u.height(),
            baseline = windowHeight + _offset('y');
          var expandUp = (offsetTop + menuHeight > baseline);
          if (expandUp) {
            $u.css('margin-top',baseline - (menuHeight + offsetTop));
          }
          $u.css('display','none');
        });
      };
    
    return this.each(function() {
      var o = $.superfish.o[this.serial]; /* get this menu's options */
      
      /* if callbacks already set, store them */
      var _onInit = o.onInit,
        _onBeforeShow = o.onBeforeShow,
        _onHide = o.onHide;
        
      $.extend($.superfish.o[this.serial],{
        onInit    : function() {
          onInit.call(this); /* fire our Supposition callback */
          _onInit.call(this); /* fire stored callbacks */
        },
        onBeforeShow: function() {
          onBeforeShow.call(this); /* fire our Supposition callback */
          _onBeforeShow.call(this); /* fire stored callbacks */
        },
        onHide    : function() {
          onHide.call(this); /* fire our Supposition callback */
          _onHide.call(this); /* fire stored callbacks */
        }
      });
    });
  };

})(jQuery);